#pragma once
// Copyright (c) 2015 Tony Kirke. License MIT  (http://www.opensource.org/licenses/mit-license.php)
// from directory: spuc_functions
#include <spuc/spuc_types.h>
#include <spuc/spuc_defines.h>
#include <spuc/iir_coeff.h>
namespace SPUC {
//! \file
//! \brief Calculate coefficients for IIR assuming butterworth frequency response
//
//! \brief Calculate coefficients for IIR assuming butterworth frequency response
//
//! \author Tony Kirke,  Copyright(c) 2001
//! \author Tony Kirke
//! \ingroup functions iir
void butterworth_iir(iir_coeff& filt, float_type fcd, bool lpf, float_type amax);
void butterworth_s(std::vector<complex<float_type> >& poles, std::vector<complex<float_type> >& zeros, bool lpf,
                   float_type wp, long n, long n2);
}  // namespace SPUC
